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Debt, Commitments, Contingencies And Guarantees Schedule of Contractual Obligation (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Contractual Obligation [Abstract]  
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months $ 7,503
Long-term Debt, Maturities, Repayments of Principal in Year Two 12,500
Long-term Debt, Maturities, Repayments of Principal in Year Three 25,000
Long-term Debt, Maturities, Repayments of Principal in Year Four 45,000
Long-term Debt, Maturities, Repayments of Principal in Year Five 315,000
Long-term Debt, Maturities, Repayments of Principal after Year Five 100,000
Long-term Debt, Gross $ 505,003